एक bivalve खोल में संलग्न एक झींगा जैसी शरीर के साथ छोटे समुद्री और ताजे पानी के क्रस्टेसियन

ostracod's Usage Examples:

ostracod faunas as palaeoenvironmental indicators in marginal marine environments.

ostracod shell is about 500 million years old.

Considering the imprisonment of the ostracod body within the valves, it is more surprising that the Asteropidae and Cypridinidae should have a pair of compound and sometimes large eyes, in addition to the e median organ at the base of I the " frontal tentacle," than 6 that other members of the group should be limited to P that median organ of sight, or have no eyes at all.

ostracod's Meaning':

tiny marine and freshwater crustaceans with a shrimp-like body enclosed in a bivalve shell